Thank you for reaching out to the PowerSchool Community!
To assist you further, would you please confirm the name of the PowerSchool product you are using to create courses and sections? It would be along the lines of PowerSchool Performance Matters, Unified Talent Professional Learning, Schoology, etc.
Thank you for the follow-up!
You should be able to create a new course and submit it for approval as a Course Requester by following the steps mentioned below:
You should be able to create one course with multiple sections depending on your preference to manage one or separate rosters.
You can refer to this document on roles-and-functions for more information on roles in the Professional Learning application.
Please let us know if this helps.